Keep your little ones covered with the Outdoor Research Rambler Sun Sombrero. UPF 30+ SolarShield sun protection. TransAction headband and mesh-lined crown wick away moisture and feel soft against your skin. The foam-stiffened brim floats in case you drop your hat into an accommodating river or lake. External drawcord adjustment in back for proper fit. Removable chin cord with cordlock holds hat in place on windy days. 100% Supplex nylon plain weave. Machine wash cold, line dry. Imported. Measurements: Circumference: 23 in Brim: 4 in Product measurements were taken using size LG (6-12 Years).